cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A349172 a(n) = Sum_{d|n} psi(d) * A003959(n/d), where A003959 is fully multiplicative with a(p) = (p+1), and psi is Dedekind psi function, A001615.

Table of values

n a(n)
1 1
2 6
3 8
4 24
5 12
6 48
7 16
8 84
9 44
10 72
11 24
12 192
13 28
14 96
15 96
16 276
17 36
18 264
19 40
20 288
21 128
22 144
23 48
24 672
25 102
26 168
27 212
28 384
29 60
30 576
31 64
32 876
33 192
34 216
35 192
36 1056
37 76
38 240
39 224
40 1008
41 84
42 768
43 88
44 576
45 528
46 288
47 96
48 2208
49 184
50 612
51 288
52 672
53 108
54 1272
55 288
56 1344
57 320
58 360
59 120
60 2304
61 124
62 384
63 704
64 2724
65 336
66 1152
67 136

List of values

[1, 6, 8, 24, 12, 48, 16, 84, 44, 72, 24, 192, 28, 96, 96, 276, 36, 264, 40, 288, 128, 144, 48, 672, 102, 168, 212, 384, 60, 576, 64, 876, 192, 216, 192, 1056, 76, 240, 224, 1008, 84, 768, 88, 576, 528, 288, 96, 2208, 184, 612, 288, 672, 108, 1272, 288, 1344, 320, 360, 120, 2304, 124, 384, 704, 2724, 336, 1152, 136]